Worlds finest planted aquarium soil suitable for aquatic plants and shrimp breeding. The carefully selected raw materials with essential lava minerals heat processed up to 500 degree celcius with strict quality control manufactured in the region of fukuoka, japan.It lowers phkh of the water create slightly acidic and soft water environment. It act as natural water conditioner, for the benefit of plants, fish and shrimp. It maintains water clarity for the longer time in the aquarium tank. It rapidly removes water cloudiness and supports aerobic bacteria. The matt texture and natural appearance of soil is good for shrimp breeding. It provides abundant plant nutrition bloom the growth of aquatic plants.Instruction do not wash or rinse, fill the tank water slowly and disperse water to avoid disturbing substrate. Slight cloudiness may appear during initial set-up though it can be removed just in 1-2 hours of filtration of water. There may be slight stain of brown or black color on the aquarium glass and that can be rubbed off by hand or any other object. Presence of filmy layer may appear and this can be removed by circulating the water. This is a complete plant substrate in itself hence no need to cover it up with any gravel or use it as a bottom layer, simply put it in the tank and add water then start planting and donerecommended quantity to be used typical 18x10x12 tank 6 liter 2 bags of 3l typical 24x12x14 tank 9 liter 1 bag of 9l or 3 bags of 3l typical 36x18x18 tank 27 liter 3 bags of 9l or 9 bags of 3l typical 48x18x18 tank 45 liter 5 bags of 9l or 15 bags of 3l